Product picture - Meridian Technologies DigiFlex DT-4V2K 2K-5 4-Channel Video Multiplexer with 2-Channel Full Duplex RS-485 Data System Transmitter Card Meridian, Technologies, DigiFlex, DT-4V2K, 2K-5, 4-Channel, Video, Multiplexer, with, 2-Channel, Full, Duplex, RS-485, Data, System, Transmitter, Card Click the image to close this page